Andover, IA Weather & Growing Conditions
This Afternoon
77°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 77. South wind around 5 mph. Chance of precipitation is 60%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Showers And Thunderstorms Likely | 5 mph S | 64% |
| Tonight | 63°F | Showers And Thunderstorms | 0 to 10 mph NE | 90% |
| Sunday | 67°F | Patchy Fog | 10 to 15 mph NE | 62% |
| Sunday Night | 55°F | Chance Rain Showers | 10 to 15 mph NE | 37% |
| Monday | 64°F | Rain Showers Likely | 15 mph NE | 58% |
| Monday Night | 51°F | Rain Showers Likely | 10 mph NE | 63% |
| Tuesday | 62°F | Rain Showers Likely | 10 mph NE | 56% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 12% |
| Wednesday | 65°F | Partly Sunny | 5 to 10 mph NE | 5% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 mph NE | 2% |
| Thursday | 67°F | Partly Sunny | 5 mph NE | 10% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 0 to 5 mph NE | 15% |
| Friday | 69°F | Partly Sunny | 0 to 5 mph NE | 8% |
| Friday Night | 53°F | Partly Cloudy | 0 to 5 mph NE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Andover, IA
Last spring frost
Apr 13
First fall frost
Oct 26
Growing season
195 days
Hardiness zone
5a
Explore more for Andover, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Fulton L&D #13, Il (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.